Rock Salt Images, Stock Photos & Vectors | Shutterstock

Rock Salt Mining And Processing - greenrevolution.org.in

How salt is made - material, used, processing, procedure, industry ... Solar evaporation was soon followed by the quarrying of exposed masses of rock salt, which quickly developed into the mining of underground deposits of salt.

What is Rock Salt? (with pictures) - wisegeek.com

Halite Rock Salt | Deicing Crystals | Mega Melt

Halite rock salt is the naturally occurring mineral form of sodium chloride, or NaCL. Like many of Central Salt's other deicing salts, the isometric halite crystals that become Mega Melt are extracted from one of the Midwest's richest beds of evaporates.